Official Rom Installation Guide For Spreadtrum Devices-
Download and install official Rom on Spreadtrum Devices, In this article we will Show you How to Flash Spreadtrum Devices, this is a Unique Guide for all phone that Run on Spreadtrum Chipset, Spreadtrum Driver is Require to flash the Rom via SPD tools, Follow Below Guide,
Downloads-
  1. Spd Tools
  2. use Miracle Driver Installer From Here to Install Driver Software
  3. Rom File/Flash File
How To Install Stock Rom Via spd Tools- 
  1. Download spd upgrade Tools From above And extract zip
  2. Download and Extract Stock Rom file From Above
  3. Run upgrade Tools, exe file from setup
  4. Then Click On Load Package then Select pac{stock Rom} file From your Firmware Folder
  5. after that power off your Device and connect to pc via Usb Cabal
  6. then Click on start wait some time while it flash firmware
  7. after success Disconnect device From pc and Start It you Got Origenal Rom/software
So This Is the Complete Guide to Upgrade spd Based Devices , if you have any Question Let us know Via Comment,